{"id":1211,"date":"2026-10-24T01:00:00","date_gmt":"2026-10-23T16:00:00","guid":{"rendered":"https:\/\/quantumsea.net\/?p=1211"},"modified":"2026-10-22T20:33:08","modified_gmt":"2026-10-22T11:33:08","slug":"qs-swap-test-state-comparison-20261022","status":"publish","type":"post","link":"https:\/\/quantumsea.net\/?p=1211","title":{"rendered":"SWAP\u30c6\u30b9\u30c8\u30010\u304c\u4e00\u5ea6\u51fa\u3066\u3082\u300c\u540c\u3058\u72b6\u614b\u300d\u3068\u306f\u65ad\u5b9a\u3067\u304d\u306a\u3044"},"content":{"rendered":"<p>\u4e8c\u3064\u306e\u91cf\u5b50\u72b6\u614b\u3092\u6bd4\u3079\u308b\u56de\u8def\u304b\u3089\u30010\u3068\u3044\u3046\u7d50\u679c\u304c\u8fd4\u3063\u3066\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u3060\u3051\u3067\u300c\u4e8c\u3064\u306f\u540c\u3058\u300d\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u304b\u3002SWAP\u30c6\u30b9\u30c8\u3067\u306f\u3001\u540c\u3058\u7d14\u7c8b\u72b6\u614b\u304b\u3089\u306f\u7406\u60f3\u7684\u306b\u306f\u5fc5\u305a0\u304c\u51fa\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u305d\u306e\u9006\u306f\u6210\u308a\u7acb\u3061\u307e\u305b\u3093\u3002\u7570\u306a\u308b\u72b6\u614b\u3067\u3082\u30010\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>SWAP\u30c6\u30b9\u30c8\u306f\u3001\u4e8c\u3064\u306e\u72b6\u614b\u3092\u5165\u308c\u66ff\u3048\u308b\u64cd\u4f5c\u3092\u4f7f\u3063\u3066\u3001\u72b6\u614b\u3069\u3046\u3057\u306e<strong>\u91cd\u306a\u308a<\/strong>\u3092\u6e2c\u5b9a\u78ba\u7387\u3078\u5909\u3048\u308b\u65b9\u6cd5\u3067\u3059\u3002\u672c\u7a3f\u3067\u306f\u3001\u72ec\u7acb\u306b\u7528\u610f\u3057\u305f\u4e8c\u3064\u306e\u7d14\u7c8b\u72b6\u614b\u3068\u3001\u96d1\u97f3\u306e\u306a\u3044\u7406\u60f3\u56de\u8def\u304b\u3089\u59cb\u3081\u30011\u56de\u306e\u7d50\u679c\u3001\u7e70\u308a\u8fd4\u3057\u305f\u983b\u5ea6\u3001\u6df7\u5408\u72b6\u614b\u306e\u5834\u5408\u3092\u5206\u3051\u3066\u8aad\u307f\u307e\u3059\u3002[1]<\/p>\n<section 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class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/quantumsea.net\/wp-content\/uploads\/2026\/10\/qs-swap-test-state-comparison-20261022-figure-5e2c35a82505.png\" style=\"max-width:100%;height:auto\" alt=\"A\u30920\u306b\u56fa\u5b9a\u3002B\u304c0\u3001\u30d7\u30e9\u30b9\u30011\u306e\u9806\u306b\u3001\u88dc\u52a91\u306e\u78ba\u7387\u306f0\u30010.25\u30010.5\u3002\u88dc\u52a90\u306e\u78ba\u7387\u306f1\u30010.75\u30010.5\u3002\"><figcaption>\u4e09\u91cf\u5b50\u30d3\u30c3\u30c8\u306e\u7406\u60f3\u56de\u8def\u884c\u5217\u304b\u3089\u72ec\u81ea\u8a08\u7b97\u3002\u5404\u68d2\u306e\u6843\u8272\u304c\u88dc\u52a91\u3001\u7dd1\u8272\u304c\u88dc\u52a90\u306e\u78ba\u7387\u3067\u3059\u3002\u5b9f\u6a5f\u6e2c\u5b9a\u3084\u6709\u9650\u56de\u306e\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/figcaption><\/figure>\n<p>\u76f4\u4ea4\u3059\u308b|0\u3009\u3068|1\u3009\u30670\u304c\u51fa\u3066\u3082\u3001\u56de\u8def\u306e\u5931\u6557\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u30c6\u30b9\u30c8\u304c\u3082\u3068\u3082\u3068\u6301\u3064\u78ba\u7387\u3067\u3059\u3002\u4e00\u5ea6\u306e0\u3092\u300c\u540c\u3058\u300d\u3068\u3044\u3046\u78ba\u5b9a\u7d50\u679c\u306b\u8aad\u307f\u66ff\u3048\u308b\u3068\u3001\u7570\u306a\u308b\u5165\u529b\u3092\u898b\u843d\u3068\u3057\u307e\u3059\u3002\u9006\u306b\u3001\u7406\u60f3\u56de\u8def\u30fb\u7d14\u7c8b\u306a\u72ec\u7acb\u5165\u529b\u3068\u3044\u3046\u6761\u4ef6\u306e\u4e0b\u30671\u304c\u51fa\u305f\u3089\u3001\u540c\u3058\u72b6\u614b\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<h2>\u7e70\u308a\u8fd4\u3057\u306f\u3001\u4f55\u3092\u3069\u308c\u3060\u3051\u6392\u9664\u3059\u308b\u306e\u304b<\/h2>\n<p>\u6bce\u56de\u65b0\u3057\u304f\u540c\u3058\u4e8c\u72b6\u614b\u3092\u6e96\u5099\u3057\u3001\u72ec\u7acb\u306bk\u56de\u8a66\u3059\u3068\u3057\u307e\u3059\u3002\u5168\u90e80\u306b\u306a\u308b\u78ba\u7387\u306f\u3001<strong>[(1\uff0bs)\/2]<sup>k<\/sup><\/strong>\u3067\u3059\u3002\u76f4\u4ea4\u72b6\u614b\u306a\u308910\u56de\u3059\u3079\u30660\u306f1\/1024\u3001\u7d040.098%\u3067\u3059\u3002s\uff1d1\/2\u306a\u3089(3\/4)<sup>10<\/sup>\u3067\u7d045.63%\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306f\u6307\u5b9a\u3057\u305f\u5165\u529b\u304c\u3042\u308b\u5834\u5408\u306e\u78ba\u7387\u3067\u3042\u3063\u3066\u3001\u89b3\u6e2c\u5f8c\u306b\u300c\u540c\u3058\u72b6\u614b\u3067\u3042\u308b\u78ba\u7387\u300d\u3092\u4e0e\u3048\u308b\u6570\u5b57\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3055\u3089\u306bs\uff1d0.99\u306a\u3089\u300110\u56de\u3059\u3079\u30660\u306b\u306a\u308b\u78ba\u7387\u306f\u7d0495.11%\u3067\u3059\u3002\u975e\u5e38\u306b\u8fd1\u3044\u7570\u306a\u308b\u72b6\u614b\u307e\u3067\u3001\u5c11\u306a\u3044\u8a66\u884c\u3067\u78ba\u5b9f\u306b\u6392\u9664\u3067\u304d\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u539f\u8ad6\u6587\u306e\u91cf\u5b50\u6307\u7d0b\u3067\u306f\u3001\u7570\u306a\u308b\u5165\u529b\u306b\u5bfe\u5fdc\u3059\u308b\u72b6\u614b\u306e\u5185\u7a4d\u304c\u4e00\u5b9a\u306e\u5024\u4ee5\u4e0b\u306b\u306a\u308b\u3068\u3044\u3046\u6761\u4ef6\u3092\u8a2d\u3051\u3066\u3001\u53cd\u5fa9\u306e\u8aa4\u308a\u78ba\u7387\u3092\u6291\u3048\u3066\u3044\u307e\u3059\u3002[1\u30013\u20135\u30da\u30fc\u30b8]<\/p>\n<p>\u3053\u306e\u6761\u4ef6\u3092\u4f7f\u3046\u306a\u3089\u3001\u4f8b\u3048\u3070\u300cs\u304c0.5\u4ee5\u4e0b\u306e\u72b6\u614b\u3092\u898b\u843d\u3068\u3059\u78ba\u7387\u30921%\u4ee5\u4e0b\u306b\u3057\u305f\u3044\u300d\u3068\u5148\u306b\u6c7a\u3081\u307e\u3059\u3002\u305d\u306e\u5834\u5408\u3001\u3059\u3079\u30660\u306b\u306a\u308b\u78ba\u7387\u306e\u4e0a\u9650\u306f0.75<sup>k<\/sup>\u3067\u3059\u3002\u72ec\u81ea\u8a08\u7b97\u3067\u306fk\uff1d16\u3067\u7d041.002%\u3001k\uff1d17\u3067\u7d040.752%\u3068\u306a\u308a\u300117\u56de\u306a\u3089\u3053\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u307e\u3059\u3002\u4efb\u610f\u306b\u5c0f\u3055\u306a\u9055\u3044\u307e\u3067\u540c\u305817\u56de\u3067\u4fdd\u8a3c\u3067\u304d\u308b\u3001\u3068\u3044\u3046\u610f\u5473\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u53cd\u5fa9\u306e\u8cc7\u6e90\u306b\u306f\u5165\u529b\u306e\u6e96\u5099\u3082\u542b\u307e\u308c\u307e\u3059\u3002\u672a\u77e5\u306e\u72b6\u614b\u304c\u4e00\u500b\u305a\u3064\u3057\u304b\u306a\u3044\u306e\u306b\u3001\u6e2c\u5b9a\u5f8c\u306e\u540c\u3058\u4e8c\u500b\u3092\u305d\u306e\u307e\u307e\u4f7f\u3044\u7d9a\u3051\u3001\u72ec\u7acb\u306a\u8a66\u884c\u304c\u5897\u3048\u305f\u3068\u6570\u3048\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002\u3053\u306e\u56de\u8def\u306f\u4e00\u822c\u306b\u5165\u529b\u5074\u3082\u5909\u3048\u307e\u3059\u3002\u540c\u3058\u6e96\u5099\u624b\u9806\u304b\u3089\u65b0\u305f\u306a\u5165\u529b\u3092\u4f5c\u308b\u6761\u4ef6\u3068\u3001\u4e00\u500b\u306e\u672a\u77e5\u72b6\u614b\u3092\u8907\u88fd\u3059\u308b\u8981\u6c42\u3092\u5206\u3051\u307e\u3059\u3002<\/p>\n<h2>\u540c\u3058\u6df7\u5408\u72b6\u614b\u3067\u3082\u30011\u304c\u51fa\u308b\u5834\u5408\u304c\u3042\u308b<\/h2>\n<p>\u3053\u3053\u307e\u3067\u306e\u300c\u540c\u3058\u306a\u30891\u306f\u51fa\u306a\u3044\u300d\u306f\u7d14\u7c8b\u72b6\u614b\u306b\u3064\u3044\u3066\u306e\u8a71\u3067\u3059\u3002\u6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Harry Buhrman, Richard Cleve, John Watrous, Ronald de Wolf, <a href=\"https:\/\/arxiv.org\/abs\/quant-ph\/0102001v1\">Quantum fingerprinting<\/a>, 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